Electricity metering equipment - Particular requirements - Part 22: Static meters for AC active energy (classes 0,1S, 0,2S and 0,5S)

Electricity metering equipment - Particular requirements - Part 24: Static meters for fundamental component reactive energy (classes 0,5S, 1S, 1, 2 and 3)

Electricity metering equipment - Particular requirements - Part 21: Static meters for AC active energy (classes 0,5, 1 and 2)

Environmental Engineering (EE); Mobile ICT devices (M-ICT); Product Specific Requirements for Life Cycle Assessment (LCA) of Smartphones

Rendering and plastering mortar. Test methods. Part 12. Determination of freeze/thaw resistance by one-sided freezing and thawing

Assessment of material recoverability rate of products